Improvement in automatic water-closet cisterns



S. MGKISSOCK. -,tutornaltic Water-Closet Gistern.

Patented April 1, |879.

N. PETERS. PHDTO-L|THOEMPHER. WASHINGTDN. D C.

UNITED STATES PATENT OFFICE.

SAMUEL MCKISSOGK, OF ALLEGHEN Y, PENNSYLVANIA, ASSIGNOR OF ONE- HALF HIS RIGHT TO JAMES HAY, OF SAME PLACE.

IMPROVEMENT IN AUTOMATIC WATER-CLOSET CISTlERNS.

Specification forming part of Letters Patent No. 213,920, dated April 1, 1879 application led February 14, 1879.

.To all whom it may concern;

Be it known that I, SAMUEL MoKrssocx, of Allegheny7 in the county of Allegheny and State of Pennsylvania, have invented a certain new and useful Improvement in Automatic Water-Closet Gisterns, of which the following is a specification, reference being had to the accompanying drawing, which is a vertical central sectional View of an apparatus embodying my improvement.

The object of this invention is to provide an automatic overow-cistern for water-closets and other purposes, that can be so regulated as to discharge at any desired recurring interval of time, never get out of order, and give a sudden discharge which will effect a thorough washing of the bowl.

The invention consists in the construction and arrangement of parts, substantially as hereinafter fully described and claimed.

At a point a suitable distance above the closet I place a box, A, set 0E into the overilow-chamber B and Siphon-chamber C, as shown. The inlet pours into chamber B, and the outlet is connected to the bottom of chamber G through the siphon D, which is much larger in diameter than the stream coming in at the inlet. Pipe a leads the contents to the closet. In the bottom of the overflowchamber B, which extends down about halfway in box A, is a large opening, b, surrounded by a valve-seat, c, and to this is fitted a valve, d, which is suspended by a chain or pendulum-rod to a long lever, e, which is pivot-ed to one wall of the box, and extending across the overliow-partition to the upper portion of chamber C. Here it is attached to a rod which carries a float, E, which is preferably as large as the dimensions of that part of chamber C will allow. The points of attachment of both valve-chain and float to the lever c are adjustable by means of threaded rods f g and nuts l1, t', respectively. The lever e is connected to the oat-rod g as follows: A bifurcated hook, lc, takes in under two opposite pins, fm, on a sliding sleeve, n, movable up and down the rod. Two lian ges or lips, o, extend out from sleeve n, and the relations are such that the lever e can be attached or detached from sleeve-pins n only by swinging it up in line with float-rod g, when it can be freely moved in or out of connection. This allows a ready detachment of parts when desired, while during operation it keeps them in reliable connection.

Operation: A cock is fitted to the inlet-pipe to govern the supply of water to the desired extent. The water pours into chamber B, valve d remains shut by the pressure above it, and the water gradually lls the chamber B. As soon as it rises above the overfiowpar tition it passes over it, and falls into chamber C, and gradually rises in this till it begins to buoy up iloat E. As soon as it moves the float a very slight distance the valve d is opened correspondingly by the action of lever e and chain. Instantly some water rushes out of the valve opening into chamber O. This causes the float to rise suddenly and pull the valve full open, when the chamber B is suddenly emptied, chamber C as speedily lled, and the water rising quickly completely lls the area of the siphon D at its top, and then, by reason of the large area of the Siphon, the water contained in chamber C is discharged with a rush through the pipe a to the closet. Float E falls with the outgoing water, valve d drops to its seat, and the operations are repeated at regularly-recurring intervals. The iioat is so adjusted with relation to the opening of valve el that the valve is not suddenly opened to its full extent until the water in chamber C has almost reached the apex of the siphon, which can be readily effected by means of the nuts h i and rods j' and g.

I this manner I can have a small stream constantly owing into the cistern, and at desired intervals it will all be suddenly dis charged.

I claim as my inventionl. A watercloset cistern consstin g of a box partitioned into two compartments, one located above the other, and communicating therewith by a valve-controlled opening, and a siphon located in and forming the outlet from the lower compartment, and interposed mechanism, substantially as descrihethwheretnclied thereto, und carrying a, valve, d, in hy the upper compartment is tirst slowly filled, chamber B, substantially as described. then the lower one partially, and finally the In testimony whereof I have hereto set contents ot' the upper are precipitated into my hand in presence of two Witnesses.

the lower compartment, and the Siphon pnt SAMUEL MCKISSOCK. in action to suddenly drain it. 'itnesscs:

2. The combination of elnnnber Il, siphon- JAMES HAY, chamber C, Siphon 1), tiozit li, and lever c, :lt- T. J. MCTIGIIE. 

